corolla[kə rōl′ə, -räl′ə]
the petals, or inner floral leaves, of a flower
Origin of corollaModern Latin ; from Classical Latin diminutive of corona, crown
The petals of a flower considered as a group or unit and usually of a color other than green; the inner whorl of the perianth.
Origin of corollaLatin corōlla, small garland, diminutive of corōna, garland; see corona.
(plural corollas or corollae or corollæ)
From Latin corōlla (“small garland, chaplet or wreath”), diminutive of corōna (“garland, chaplet, wreath”).